Home / 27,158.56-37,473.84-15,983.20

Finding the Fourth Proportional to 27,158.56, 37,473.84 and 15,983.20

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Solution

The fourth proportional to 27,158.56, 37,473.84 and 15,983.20 is: 22,053.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,158.56 : 37,473.84 = 15,983.20 : x
  2. Step 2: Convert to fraction form
    27,158.56/37,473.84 = 15,983.20/x
  3. Step 3: Cross multiply
    27,158.56x = 37,473.84 × 15,983.20
  4. Step 4: Simplify right side
    27,158.56x = 598,951,879.49
  5. Step 5: Solve for x
    x = 598,951,879.49/27,158.56
  6. Step 6: Final answer
    x = 22,053.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.